MEDIUM
10th CBSE
IMPORTANT
Earn 100

Naturally occurring Uranium, U-238 is not fissionable, why? How is it processed to make it usable as a fuel in a nuclear reactor?

Important Questions on Sources of Energy

EASY
10th CBSE
IMPORTANT
Core Science Physics>Chapter 5 - Sources of Energy>EXERCISE - 5C>Q 16
What is the greenhouse effect? State two advantages and two disadvantages of this effect.
EASY
10th CBSE
IMPORTANT
Core Science Physics>Chapter 5 - Sources of Energy>EXERCISE - 5C>Q 17
What is nuclear waste? What are the hazards of nuclear waste to the living beings? How is nuclear waste disposed off?
MEDIUM
10th CBSE
IMPORTANT
Core Science Physics>Chapter 5 - Sources of Energy>EXERCISE - 5C>Q 18
What is a nuclear reactor? When is it said to have become critical? Write the function of boron rods in a nuclear reactor.
MEDIUM
10th CBSE
IMPORTANT
Core Science Physics>Chapter 5 - Sources of Energy>EXERCISE - 5C>Q 19
What is meant by the term chain reaction? Explain with the help of a diagram how a chain reaction in a bunch of U-235 nuclei takes place during nuclear fission.
MEDIUM
10th CBSE
IMPORTANT
Core Science Physics>Chapter 5 - Sources of Energy>EXERCISE - 5C>Q 20
Draw a labelled diagram of solar water heater. What modification will be made in the box type solar cooker to enable it to be used as a solar water heater?
EASY
10th CBSE
IMPORTANT
Core Science Physics>Chapter 5 - Sources of Energy>EXERCISE - 5C>Q 21
What is the role of a plane mirror and a glass sheet in a solar cooker?
MEDIUM
10th CBSE
IMPORTANT
Core Science Physics>Chapter 5 - Sources of Energy>EXERCISE - 5C>Q 22
Mention three advantages of a solar cell?
EASY
10th CBSE
IMPORTANT
Core Science Physics>Chapter 5 - Sources of Energy>EXERCISE - 5C>Q 1

What are environmental consequences of increasing demand for energy? What steps would you suggest to reduce energy consumption?